Intel® Speculative Execution Side Channel (Variants 4 and 3a) Issue Update.
- Document ID: 4016126
- Posted Date: 2018-05-24
- Last Updated: 2018-07-31
- Distribution: View Public Website
- Issue
Intel® Speculative Execution Side Channel Issue Update
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
Source: Intel® Article ID: Intel SA-00115
Potential Security Impact: Toshiba is aware of the Intel® Speculative Execution Side-Channel vulnerability issue. The security and privacy of our customers' information are priorities for Toshiba. Toshiba is working closely with Intel to provide firmware and/or software updates as soon as possible to resolve this security vulnerability. Update details for these platforms will be added to this document as they become available.
In the meantime, Toshiba recommends that customers update their systems to the latest Toshiba firmware and software, apply all of Microsoft System Updates as they become available and follow security best practices for malware protection to help prevent possible exploitation of these vulnerabilities. These practices include, but are not limited to, promptly deploying software updates, avoiding unknown hyperlinks and websites, never downloading files or applications from unknown sources, and employing up-to-date anti-virus and advanced threat protection solutions.
In addition, Toshiba encourages customers to review both Intel’s Security Advisory and the Microsoft Advisory Notice for information, including appropriate identification and mitigation measures.
Available Resources:
- Intel Security Advisory (INTEL-SA-00115)
- Other information for this side-channel analysis:
- CVE-2018-3639 – Speculative Store Bypass (SSB) – also known as Variant 4
- CVE-2018-3640 – Rogue System Register Read (RSRE) – also known as Variant 3a
Firmware Release Details:
- Dates in this list are provided for customer planning purposes and will be updated with links to downloadable packages when available.
- Resolution
Check Table below to see if your system has been impacted and the vulnerability update is available. (NOTE: The chart below will be updated with systems when firmware is available to address the issue.)
- If your system is affected, download and install the latest system firmware update.
-
If your system is not listed below, please refer to the Intel site listed above for CPU’s affected by this security notice.
Toshiba’s Firmware Release Schedule:
Model Name
Model Number
Estimated BIOS Release Date
Bios Version
Link to Firmware
DYNAEDGE DC-100
POC36
Available
BIOS (v2.90)
DYNAEDGE DE-100
POC26
Available
BIOS (v2.90)
DYNAEDGE DE-100
POC27
Available
BIOS (v2.90)
KIRA L93
PSUM4
Available
BIOS (1.50)
KIRA U930
PSU7F
Available
BIOS (v1.50)
PORTEGE A30-C
PT363
Available
BIOS (v8.30)
PORTEGE A30-C
PT364
Available
BIOS (v8.30)
PORTEGE A30-C
PT365
Available
BIOS (v8.30)
PORTEGE A30-C
PT367
Available
BIOS (v8.30)
PORTEGE A30-C
PT369
Available
BIOS (v8.30)
PORTEGE A30T-C
PT361
Available
BIOS (v8.30)
PORTEGE dynaEdge
POC10
Available
BIOS (v2.90)
PORTEGE dynaEdge
POC11
Available
BIOS (v2.90)
PORTEGE dynaEdge
POC12
Available
BIOS (v2.90)
PORTEGE dynaEdge
POC13
Available
BIOS (v2.90)
PORTEGE R30-D
PT381
Available
BIOS (v4.70)
PORTEGE R30-D
PT382
Available
BIOS (v4.70)
PORTEGE R30-D
PT383
Available
BIOS (v4.70)
PORTEGE R30-D
PT385
Available
BIOS (v4.70)
PORTEGE R30-D
PT389
Available
BIOS (v4.70)
PORTEGE X20W-D
PRT10
Available
BIOS (v3.40)
PORTEGE X20W-D
PRT12
Available
BIOS (v3.40)
PORTEGE X20W-D
PRT13
Available
BIOS (v3.40)
PORTEGE X20W-D
PRT14
Available
BIOS (v3.40)
PORTEGE X20W-E
PRT20
Available
BIOS (v1.70)
PORTEGE X20W-E
PRT21
Available
BIOS (v1.70)
PORTEGE X20W-E
PRT22
Available
BIOS (v1.70)
PORTEGE X20W-E
PRT23
Available
BIOS (v1.70)
PORTEGE X20W-E
PRT24
Available
BIOS (v1.70)
PORTEGE X30-D
PT272
Available
BIOS (V3.30)
PORTEGE X30-D
PT274
Available
BIOS (V3.30)
Portege X30-E
PT284
Available
BIOS (v1.70)
PORTEGE Z10T-A1110
PT132
Available
BIOS (v2.20)
PORTEGE Z15T-A1210
PT131
Available
BIOS (v2.20)
Portege Z30-C
PT261
Available
BIOS (v6.70)
Portege Z30-C
PT263
Available
BIOS (v6.70)
Portege Z30-C
PT264
Available
BIOS (v6.70)
Portege Z30-C
PT265
Available
BIOS (v6.70)
SATELLITE U925T-S2301
PSUL1
Available
BIOS (1.70)
TECRA A40-C
PS463
Available
BIOS (v8.30)
EN-2018-000019-005-BIOS
TECRA A40-C
PS464
Available
BIOS (v8.30)
EN-2018-000019-005-BIOS
TECRA A40-C
PS465
Available
BIOS (v8.30)
EN-2018-000019-005-BIOS
TECRA A40-D
PS481
Available
BIOS (v4.70)
TECRA A40-D
PS482
Available
BIOS (v4.70)
TECRA A40-D
PS484
Available
BIOS (v4.70)
TECRA A40-D
PS485
Available
BIOS (v4.70)
TECRA A40-D
PS486
Available
BIOS (v4.70)
TECRA A50
PS58M
Available
BIOS (v4.70)
TECRA A50-A
PT634
Available
BIOS (v2.40)
TECRA A50-A
PT63N
Available
BIOS (v2.40)
TECRA A50-C
PS579
Available
BIOS (v8.30)
TECRA A50-C
PS57A
Available
BIOS (v8.30)
TECRA A50-C
PS57B
Available
BIOS (v8.30)
TECRA A50-C
PS57D
Available
BIOS (v8.30)
TECRA A50-C
PS57H
Available
BIOS (v8.30)
TECRA A50-C
PS57K
Available
BIOS (v8.30)
TECRA A50-C
PS57M
Available
BIOS (v8.30)
TECRA A50-C
PT571
Available
BIOS (v8.30)
TECRA A50-C
PT573
Available
BIOS (v8.30)
TECRA A50-C
PT577
Available
BIOS (v8.30)
TECRA C40-C
PS461
Available
BIOS (v8.30)
TECRA C40-C
PS462
Available
BIOS (v8.30)
TECRA C50-C
PS571
Available
BIOS (v8.30)
TECRA C50-C
PS572
Available
BIOS (v8.30)
TECRA C50-C
PS573
Available
BIOS (v8.30)
TECRA C50-C
PS575
Available
BIOS (v8.30)
TECRA C50-C
PS576
Available
BIOS (v8.30)
TECRA C50-C
PS577
Available
BIOS (v8.30)
TECRA C50-E
PS591
Available
BIOS (v2.00)
TECRA C50-E
PS595
Available
BIOS (v2.00)
TECRA C50-E
PS597
Available
BIOS (v2.00)
TECRA C50-E
PS599
Available
BIOS (v2.00)
TECRA C50-E
PS59B
Available
BIOS (v2.00)
TECRA C50-E
PS59M
Available
BIOS (v2.00)
TECRA C50-E
PT591
Available
BIOS (v2.00)
TECRA C50-E
PT593
Available
BIOS (v2.00)
TECRA R50-D
PS581
Available
BIOS (v4.70)
TECRA R50-D
PS582
Available
BIOS (v4.70)
TECRA R50-D
PS585
Available
BIOS (v4.70)
TECRA R50-D
PS586
Available
BIOS (v4.70)
TECRA R50-D
PS58A
Available
BIOS (v4.70)
TECRA R50-D
PS58B
Available
BIOS (v4.70)
TECRA R50-D
PT583
Available
BIOS (v4.70)
TECRA X40-D
PT472
Available
BIOS (V3.30)
TECRA X40-D
PT474
Available
BIOS (V3.30)
TECRA X40-E
PT482
Available
BIOS (v1.70)
TECRA Z40-C
PT461
Available
BIOS (v6.70)
TECRA Z40-C
PT463
Available
BIOS (v6.70)
TECRA Z40-C
PT465
Available
BIOS (v6.70)
TOSHIBA WT310
PT133
Available
BIOS (v2.20)
TOSHIBA WT310-S1002
PT134
Available
BIOS (v2.20)
The information in this document is subject to change without notice.
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